Home / 1,755.20-2,421.42-1,092.38

Finding the Fourth Proportional to 1,755.20, 2,421.42 and 1,092.38

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Solution

The fourth proportional to 1,755.20, 2,421.42 and 1,092.38 is: 1,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.20 : 2,421.42 = 1,092.38 : x
  2. Step 2: Convert to fraction form
    1,755.20/2,421.42 = 1,092.38/x
  3. Step 3: Cross multiply
    1,755.20x = 2,421.42 × 1,092.38
  4. Step 4: Simplify right side
    1,755.20x = 2,645,110.78
  5. Step 5: Solve for x
    x = 2,645,110.78/1,755.20
  6. Step 6: Final answer
    x = 1,507.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.